<template>
  <div>
    <el-button @click="dialogVisible=true">打开对话框</el-button>
    <el-dialog
      title="提示"
      :visible.sync="dialogVisible"
      width="30%"
      :before-close="handleClose"
    >
      <span>这是一段信息</span>
      <span slot="footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button
          type="primary"
          @click="dialogVisible = false"
        >确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    return {
      dialogVisible: false
    }
  },
  methods: {
    handleClose(done) {
      this.$confirm('确认关闭？')
        .then(_ => {
          done()
        })
        .catch(_ => { })
    }
  }
}
</script>
